Process gas chromatographs (GCs) are the most common
multi-component, online chemical analyzer used in modern
hydrocarbon processing industry (HPI) facilitiesrefineries, petrochemical plants and natural gas
sites. GCs are proven and can provide data to control
processes, supervise product quality and monitor facility emissions. Historically, GCs were
placed in shelters that provided a stable temperature environment and a clean work area
for operation and maintenance periods.

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